28 lines
547 B
C
28 lines
547 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/file.h>
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#include <linux/io_uring.h>
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#include <uapi/linux/io_uring.h>
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#include "io_uring.h"
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#include "nop.h"
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int io_nop_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
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{
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if (READ_ONCE(sqe->rw_flags))
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return -EINVAL;
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return 0;
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}
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/*
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* IORING_OP_NOP just posts a completion event, nothing else.
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*/
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int io_nop(struct io_kiocb *req, unsigned int issue_flags)
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{
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io_req_set_res(req, 0, 0);
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return IOU_OK;
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}
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